Hi all,
I'm trying to make 3D plots but I'm not able to:
1. Put labels on the axes,
2. Create a surface, say F(x,y,z)=0, of z=f(x,y) together with some
level curves. The only level curves I can plot lie on a 2d plot.
On the ther hand I'can't figure what's wrong with:
var('x, y, z');
@interact
def _(a=(-1,1,.1),b=(-1,1,.1),c=(-2,2,.2)):
A1 = implicit_plot3d(z==c,(x,-2.1,2),(y,-2,2),(z,-2,2),
color='red', opacity=0.25, axes=true)
A2 = implicit_plot3d(y==c,(x,-2.1,2),(y,-2,2),(z,-2,2),
color='orange', opacity=0.25, axes=true)
A3 = implicit_plot3d(x==c,(x,-2.1,2),(y,-2,2),(z,-2,2),
color='green', opacity=0.25, axes=true)
S = plot3d(a*x^2-b*y^2,(x,-2,2),(y,-2,2))
def _(which_figure=[A1,A2,A3]):
show(S+which_figure)
I'm trying to make a single plot in which I can show to my students
the intersections of a surface with the planes x, y, z= constant,
choosing which plane, and at what value to show together with the
surface.
Thanks
JC
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